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Receivables (Tables) | 9 Months Ended
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Jun. 30, 2017
Accounts Notes Loans And Financing Receivable Gross Allowance And Net [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable | The following table presents the components of receivables appearing in the accompanying Consolidated Balance Sheets at June 30, 2017 and September 30, 2016, as well as certain other related information (in thousands):
|  | June 30, 2017 |  |  | September 30, 2016 |
Components of receivables: |  |  |  |  |  |  |  |
Amounts billed |  | $ | 934,769 |  |  | $ | 1,110,042 |
Unbilled receivables and other |  |  | 1,118,776 |  |  |  | 937,552 |
Retentions receivable |  |  | 32,786 |  |  |  | 68,069 |
Total receivables, net |  | $ | 2,086,331 |  |  | $ | 2,115,663 |
Other information about receivables: |  |  |  |  |  |  |  |
Amounts due from the United States federal government, included above, net of advanced billings |  | $ | 224,284 |  |  | $ | 235,203 |
Claims receivable |  | $ | 17,830 |  |  | $ | 26,061 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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